P0128 cummins

Getting P code. Thread Tools. Received 21 Likes on 19 Posts.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I changed the thermostat, then the temp sensor. The code comes back in about miles.

P0128 cummins

Forgot your password? By MoparMan. This diagnostic looks at the how cold the system is at start up, what the inlet air temperature is, and the amount of fuel burned during that drive cycle. The PCM estimates what the coolant temperature should be. If the coolant temperature is not above a calibrated threshold, the rationality fails. The PCM assumes that the thermostat is stuck open. The coolant temperature does not rise above a calibrated amount over a calibrated amount of time. Turn the ignition off. With the engine cold, verify the level of coolant in the cooling system. Is the cooling system full of coolant? Start the engine.

The PCM assumes that the thermostat is stuck open. LED headlight feedback.

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Forgot your password? By MoparMan. This diagnostic looks at the how cold the system is at start up, what the inlet air temperature is, and the amount of fuel burned during that drive cycle. The PCM estimates what the coolant temperature should be. If the coolant temperature is not above a calibrated threshold, the rationality fails. The PCM assumes that the thermostat is stuck open.

P0128 cummins

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12052 coach position

Please take the time and visit our Google Review page and give us a review of our services. Maybe when its cold and the high idle is engaged, the temps that the ECM expects are not within its parameters. Last weekend we were sledding and it was , truck sat for 5 hours and when I came back the water temp was still at degrees according to my Insight and blew warm air as soon as I started it. You should upgrade or use an alternative browser. Total: 0 members: 0, guests: 0. View Public Profile. By MoparMan. If the coolant temperature is not above a calibrated threshold, the rationality fails. The coolant temperature does not rise above a calibrated amount over a calibrated amount of time. Received 6 Likes on 4 Posts. If MoparMan. I wonder why they are getting these codes with a stock thermostat?

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Most Helpful Newest. All times are GMT Guess I'll find out next week what's wrong. Advanced search. Last weekend we were sledding and it was , truck sat for 5 hours and when I came back the water temp was still at degrees according to my Insight and blew warm air as soon as I started it. P Thermostat Rationality. I was just on a mile work trip 2 weeks ago. I wonder why they are getting these codes with a stock thermostat? Thread Tools Show Printable Version. You are using an out of date browser. I asked them, "how much are you charging for a t-stat? The service advisor paused and said "let me verify the price, I'll call you back.